Imaging analysis of enlarged vestibular aqueduct complicated with inner ear malformations

XING Qing-na; ZHANG Xiao-an; ZHAO Xin; YAO Xiao-bin

Journal of China Clinic Medical Imaging ›› 2014, Vol. 25 ›› Issue (1) : 5-8.

论著

Imaging analysis of enlarged vestibular aqueduct complicated with inner ear malformations

XING Qing-na1, ZHANG Xiao-an1, ZHAO Xin1, YAO Xiao-bin2

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Abstract

Objective: To investigate relationship between enlarged vestibular aqueduct(EVA) and inner ear malformations such as cochlear dysplasia, vestibulocochlear dysplasia and modiolus dysplasia. Methods: A retrospective analysis of 60 ears from 30 patients with EVA in the Third Affiliated Hospital of Zhengzhou University, between 2010 and 2012. MSCT and MRI were performed to assess the EVA inner ear abnormalities in patients with the other malformations. Result: The 60 ears were all suffering from EVA, bilateral EVA 26 cases, unilateral EVA 4 cases, 12 females and 18 males. The average age patients was 1.8 years(six month~4.2 years old). In 45(80.4%) ears with EVA also had one or more other inner ear abnormalities. Thirty ears(53.6%) associated with cochlear dysplasia, 9(16.1%) had vestibular dysplasia. Conclusion: According to small FOV, thin layer MSCT and magnetic resonance imaging of the inner ear, EVA is usually found to be comlicated inner ear malformations, particularly dysplasia of the cochlea.

Key words

Labyrinth / Abnormalities / Vestibule / Tomography / spiral computed / Magnetic resonance imaging

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XING Qing-na;ZHANG Xiao-an;ZHAO Xin;YAO Xiao-bin. Imaging analysis of enlarged vestibular aqueduct complicated with inner ear malformations[J]. Journal of China Clinic Medical Imaging. 2014, 25(1): 5-8